1) The data structure is more complicated than you can imagine, just visually looking at that grid. If we open things up to allow pasting from Excel, and you drop things in the wrong column - you've trashed your model. That's why we haven't allowed this to date. Maybe in the near future, you're not the first one to ask ...

2) You're correct, CAESAR II doesn't know how you want to combine the occasional loads. We're actually working on the recommendation template for v.8.00, but occasional loads will have to come after that.

3) There is no fixed relationship between predefined nodal displacements and restraint types. We can investigate this for a future version.